Home / 372,918.52-559,865.60-221,392.22

Finding the Fourth Proportional to 372,918.52, 559,865.60 and 221,392.22

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Solution

The fourth proportional to 372,918.52, 559,865.60 and 221,392.22 is: 332,377.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,918.52 : 559,865.60 = 221,392.22 : x
  2. Step 2: Convert to fraction form
    372,918.52/559,865.60 = 221,392.22/x
  3. Step 3: Cross multiply
    372,918.52x = 559,865.60 × 221,392.22
  4. Step 4: Simplify right side
    372,918.52x = 123,949,888,085.63
  5. Step 5: Solve for x
    x = 123,949,888,085.63/372,918.52
  6. Step 6: Final answer
    x = 332,377.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.